CHECK HARNESS BETWEEN EGR SOLENOID VALVE AND ECM CONNECTOR.

Measure the resistance of harness between EGR solenoid valve and chassis ground.

Connector & terminal

(B134) No. 12 — Chassis ground:

(B134) No. 13 — Chassis ground:

(B134) No. 14 — Chassis ground:

(B134) No. 15 — Chassis ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Repair the ground short in harness between the main relay and EGR valve connector.